iOS 9 common problems users have and their fixes.
Fix iOS 9 common problems and their fixes: Apple claims that iOS is the worlds most advanced operating system for mobile devices. It is the best in many ways, but not all. There are several issues that the users face each time a new OS version is released, and same was the case with the all new iOS 9. After upgrading to the OS, people reported several issues, and the most common of them were iPhone stuck on Slide to Upgrade